You take performance seriously - and the AST 2-WAY Motorsport Suspension is built for drivers like you. Designed for true track enthusiasts, it delivers race-level precision and control. This monotube coilover system is 2-way adjustable for rebound, compression, and ride height, featuring external reservoirs for maximum consistency under extreme conditions. It includes camber-adjustable front top mounts, solid rear mounts, and adjustable-rate springs. Fully rebuildable and made in the Netherlands, it’s built to last. Fine-tune your setup with independent rebound and compression adjustments to reduce body roll, sharpen responsiveness, and enhance traction - all while maintaining the perfect balance between performance and comfort.
This Part Fits:
| Year | Make | Model | Submodel |
|---|---|---|---|
| 2021-2023 | BMW | M3 | Base |
| 2021-2023 | BMW | M3 | Competition |
| 2021-2023 | BMW | M4 | Base |
| 2021-2023 | BMW | M4 | Competition |
- 2021-bmw-m3-base-esi4637292
- 2021-bmw-m3-competition-esi2799291
- 2021-bmw-m4-base-esi5146148
- 2021-bmw-m4-competition-esi3872629
- 2022-bmw-m3-base-esi4597990
- 2022-bmw-m3-competition-esi9231908
- 2022-bmw-m4-base-esi8647450
- 2022-bmw-m4-competition-esi2146027
- 2023-bmw-m3-base-esi3080815
- 2023-bmw-m3-competition-esi5794326
- 2023-bmw-m4-base-esi6624065
- 2023-bmw-m4-competition-esi2653232
- ClearanceItem:Y
- EPA:N/A
- fits_2021-2023`BMW`M3`Base~2021-2023`BMW`M3`Competition~2021-2023`BMW`M4`Base~2021-2023`BMW`M4`Competition
- LTL:N
- MPN:RIV-B2112SD
- Non-CARB:N
- Prop65:N
- SpecialOrder:Y
- Suspension>Coilovers